allow FETCH_STYLE=manual to succeed. simplify fetch loop.

mk/buildhlp.mk

@@ -49,15 +49,27 @@ ifeq (${_CHECKSUM_COOKIE},)
 endif
 ifeq ($(EXTRACT_OVERRIDE),1)
 	${MAKE} do-extract
-else	
+else
 	${EXTRACT_CMD}
 endif
 	@${MAKE} post-extract $(MAKE_TRACE)
 	touch $@
 
 __use_generic_patch_target:=42
-else ifeq ($(strip ${_IN_PACKAGE}),1)
-$(warning This package does not use the generic extraction and patch target; it's most likely to fail.)
+else
+include ${TOPDIR}/mk/fetch.mk
+${WRKDIST}/.extract_done: ${_CHECKSUM_COOKIE}
+	$(MAKE) fetch
+ifeq (${_CHECKSUM_COOKIE},)
+	rm -rf ${WRKDIST} ${WRKSRC} ${WRKBUILD}
+endif
+ifeq ($(EXTRACT_OVERRIDE),1)
+	${MAKE} do-extract
+else
+	${EXTRACT_CMD}
+endif
+	@${MAKE} post-extract $(MAKE_TRACE)
+	touch $@
 endif
 
 ifeq ($(strip ${__use_generic_patch_target}),42)

mk/fetch.mk

@@ -59,14 +59,7 @@ endif
 define FETCH_template
 $(1):
 	@fullname='$(1)'; \
-	subname=$$$${fullname##$${DISTDIR}/}; \
 	filename=$$$${fullname##*/}; \
-	i='$${LOCAL_DISTDIR}'; \
-	if [[ -n $$$$i && -e $$$$i/$$$$subname ]]; then \
-		cd "$$$$i"; \
-		echo pax -rw "$$$$subname" '$${DISTDIR}/'; \
-		exec pax -rw "$$$$subname" '$${DISTDIR}/'; \
-	fi; \
 	mkdir -p "$$$${fullname%%/$$$$filename}"; \
 	cd "$$$${fullname%%/$$$$filename}"; \
 	for site in $${PKG_SITES} $${MASTER_SITE_BACKUP}; do \